属性级的转换规则，用目标约束语言（Object Constraint language，OCL）编制而成。
Transformation rules at the attribute level, documented using Object Constraint Language (OCL).
简单句结构分析以谓语动词为中心，依据其EICG格约束和句子浅层分析结果填充格框架，从而得到整个句子的语法语义结构。句子结构转换依照句子分析结果和转换规则产生等价的目标语言的线性语法语义结构。
Analysis of predicate verb in a simple sentence is carried out based on the EICG constraints and shallow syntactic parsing results to get the syntactic and semantic structure of the whole sentence.
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